pervert, deviant, deviate, degenerate -- (a person whose behavior deviates from what is acceptable especially in sexual behavior)
Overview of verb pervert
The verb pervert has 3 senses
corrupt, pervert, subvert, demoralize, demoralise, debauch, debase, profane, vitiate, deprave, misdirect -- (corrupt morally or by intemperance or sensuality; "debauch the young people with wine and women"; "Socrates was accused of corrupting young men"; "Do school counselors subvert young children?"; "corrupt the morals")
twist, twist around, pervert, convolute, sophisticate -- (practice sophistry; change the meaning of or be vague about in order to mislead or deceive; "Don't twist my words")
pervert, misuse, abuse -- (change the inherent purpose or function of something; "Don't abuse the system"; "The director of the factory misused the funds intended for the health care of his workers")